<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="UTF-8" />
		<meta http-equiv="X-UA-Compatible" content="IE=edge" />
		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
		<title>Document</title>
	</head>
	<body>
		<script>
			// filter 筛选数组
			let arr = [2, 24, 35, 50];
			let newArr = arr.filter(function (value, index) {
				// return value >= 20;
				return value % 2 !== 0;
			});
			console.log(newArr);
		</script>
	</body>
</html>
